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North-Central Section - 54th Annual Meeting - 2020

Session No. 22
Tuesday, 19 May 2020: 8:00 AM-12:00 PM
Saint Louis River Room (Duluth Entertainment Convention Center)

D4. Novel and Classical Approaches to Deciphering Records of the Precambrian Earth

 

Robert W.D. Lodge, Athena Eyster and Erik L. Gulbranson, Chairs
Paper #
Start Time
 
8:00 AM
Introductory Remarks
22-1
8:05 AM
MAPPING MINNESOTA’S PRECAMBRIAN BEDROCK
JIRSA, Mark A., Minnesota Geological Survey, Univ of Minnesota, 2609 W. Territorial Rd, St. Paul, MN 55114-1009 and CHANDLER, Val W., Minnesota Geological Survey, Univ of Minnesota, 2609 Territorial Road, St. Paul, MN 55114
22-2
8:25 AM
A PRELIMINARY ANALYSIS OF STRATIGRAPHIC COMPOSITIONAL VARIATIONS IN THE ARCHEAN OTTER CREEK IGNEOUS COMPLEX, NW IOWA
OLSON, Trent, Earth and Environmental Science, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, PEATE, David W., Earth & Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242 and CLARK, Ryan J., Iowa Geological Survey, IIHR - Hydroscience & Engineering, 300 Trowbridge Hall, Iowa City, IA 52242
22-3
8:45 AM
TRACE ELEMENT SYSTEMATICS AND CHEMOSTRATIGRAPHY OF MAFIC-DOMINATED ASSEMBLAGES: EXAMPLES FROM THE ARCHEAN SUPERIOR PROVINCE
LODGE, Robert W.D.1, BROCK, Natalie Marie1, MA, Chong2 and HUDAK III, George J.3, (1)Department of Geology, University of Wisconsin-Eau Claire, Phillips Science Hall, PO Box 4004, Eau Claire, WI 54702-4004, (2)Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada, (3)University of Minnesota, 5013 Miller Trunk Highway, Duluth, MN 55811
22-4
9:05 AM
THE ROLE OF SILICA IN IRON FORMATIONS: TEXTURAL, MINERALOGICAL, AND GEOCHEMICAL COMPARISONS FROM LOW METAMORPHIC GRADE NEOARCHEAN AND PALEOPROTEROZOIC EXAMPLES
BRENGMAN, Latisha Ashley, Department of Earth and Environmental Sciences, University of Minnesota Duluth, 1114 Kirby Drive, Heller Hall 229, Duluth, MN 55812, STEWART, Esther K., Wisconsin Geological and Natural History Survey, 3817 Mineral Point Rd, Madison, WI 53705, STOLZE, Danielle, Department of Earth and Environmental Sciences, University of Minnesota, Duluth, 229 Heller Hall, 1114 Kirby Drive, Duluth, MN 55812, FAUST, Emily, Chemistry and Geology, Minnesota State University, Ford Hall 241, Mankato, MN 56001 and WITTKOP, Chad, Department of Chemistry and Geology, Minnesota State University, Mankato, MN 56001
22-5
9:25 AM
RECONSTRUCTING FE-SILICATE PARAGENESIS USING PAIRED TEXTURAL AND COMPOSITIONAL DATA IN THE ~1.9 GA BIWABIK IRON FORMATION, MN
DUNCANSON, Samuel P., Department of Earth and Environmental Sciences, University of Minnesota, Duluth, 229 Heller Hall, 1114 Kirby Drive, Duluth, MN 55812, BRENGMAN, Latisha Ashley, Department of Earth and Environmental Sciences, University of Minnesota Duluth, 1114 Kirby Drive, Heller Hall 229, Duluth, MN 55812, FOURNELLE, John H., Department of Geoscience, University of Wisconsin, Madison, WI 53706 and MOY, Aurélien, Department of Geoscience, University of Wisconsin Madison, 1215 W. Dayton St., Madison, WI 53706
 
9:45 AM
Break
22-6
10:00 AM
EVALUATING MECHANISMS FOR MANGANESE ENRICHMENTS IN THE PROTEROZOIC ANIMIKIE BASIN
NIEDZIELSKI, Brian J.1, WITTKOP, Chad1, SWANNER, Elizabeth2, FRALICK, Philip3 and POULTON, Simon W.4, (1)Department of Chemistry and Geology, Minnesota State University, Mankato, MN 56001, (2)Department of Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011-1027, (3)Department of Geology, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B5E1, Canada, (4)School of Earth and Environment, Univ. of Leeds, Leeds, LS2 9JT, United Kingdom
22-7
10:20 AM
CLASSIFICATION OF TERRESTRIAL MANGANESE ENRICHMENTS BY LASER-INDUCED BREAKDOWN SPECTROSCOPY WITH RELEVANCE FOR GALE CRATER, MARS
LEDESMA, Gabrielle, Department of Geological & Atmospheric Sciences, Iowa State University, 2237 Osborn Dr, 253 Science I, Ames, IA 50010, LANZA, Nina, Los Alamos National Laboratory, Los Alamos, NM 87545, WITTKOP, Chad, Department of Chemistry and Geology, Minnesota State University, Mankato, MN 56001 and SWANNER, Elizabeth, Department of Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011-1027
22-8
10:40 AM
EARTH'S EARLIEST ICE AGES: NEW ZIRCON GEOCHRONOLOGY OF ARCHEAN GLACIAL DIAMICTITES FROM MONTANA
JOHNSON, Benjamin, Geological and Atmospheric Sciences, Iowa State University, 2238 Osborn Dr, Ames, IA 50011-1027, ZAWASKI, Mike, Geological Sciences, University of Colorado Boulder, 2200 Colorado Ave, Boulder, CO 80309 and MOJZSIS, Stephen, CRiO, Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Ave, UCB 399, Boulder, CO 80309-0399
22-9
11:00 AM
IDENTIFICATION AND CHARACTERIZATION OF STROMATOLITES FROM GRAND RAPIDS, MANITOBA, CANADA USING SPECTROSCOPIC TECHNIQUES
TURENNE, Nathalie N., CLOUTIS, Edward A., APPLIN, Daniel M., CONNELL, Stephanie A. and PARKINSON, Alexis E., Geography, University of Winnipeg, 515 Portage Avenue, Winnipeg, MB R3B 2E9, Canada
22-10
11:20 AM
CONSTRAINING IRON FORMATION PRIMARY MINERALOGY USING FERRUGINOUS LAKE SEDIMENTS
GRENGS, Ashley1, WITTKOP, Chad2, LAMBRECHT, Nicholas3, FAHKRAEE, Moji4, KATSEV, Sergei5 and SWANNER, Elizabeth3, (1)Department of Chemistry and Geology, Minnesota State University, Ford Hall 241, Mankato, MN 56001, (2)Department of Chemistry and Geology, Minnesota State University, Mankato, MN 56001, (3)Department of Geological & Atmospheric Sciences, Iowa State University, Ames, IA 50011-1027, (4)Earth and Planetary Sciences, Yale University, New Haven, CT 06511, (5)University of Minnesota - Duluth, Large Lakes Observatory (LLO), 2205 E. 5th St., Research Laboratory Building 230, Duluth, MN 55812
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